please help me with this question ASAP:  A research paper reports, “... the sample average ̄Y = 4.8 is statistically different from 2at a 1% level, since its t-statistic is 4.” Suppose you want to test the null hypothesis that the meanof the population is equal to 4.5 against the one-sided alternative that the mean is greater than 4.5.Do you reject this null at a 5% level? Do you reject it at a 10% level?

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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please help me with this question ASAP: 

A research paper reports, “... the sample average ̄Y = 4.8 is statistically different from 2
at a 1% level, since its t-statistic is 4.” Suppose you want to test the null hypothesis that the mean
of the population is equal to 4.5 against the one-sided alternative that the mean is greater than 4.5.
Do you reject this null at a 5% level? Do you reject it at a 10% level?

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